The acid ewolises nearly as well as the ester.此酸的烯醇化几乎象酯一样良好.Diphenyl carbonate shows a typical vinyl ester effect.碳酸二苯酯表现典型的乙烯的酯类的效应.Ester is one of the most important compounds in Organic Chemistry.酯是有机化学中最主要的化合物之一....
Programme-makers seem irresponsibly insouciant about churning out violence.编程者似乎对大批量制造含暴力因素的产品处之漠然，毫无责任心。Or perhaps the insouciant Rue Saint - Denis , where French Montrealers go to see and be seen.也许是圣丹尼路上漫不经心的格调, 法裔蒙城人...